• Senior Linux/Unix Systems Administrator

    SMX (Dahlgren, VA)
    …ability to obtain and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management + IAT III ... Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior… more
    SMX (12/04/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: None * * * We are seeking a highly skilled and motivated Linux Administrator to join our Federal IT Operations team. The successful candidate will manage and… more
    CACI International (11/13/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information System Security ... cutting edge cybersecurity and system integration services to the US National Security market. We are seeking a motivated self-starter with experience in secure… more
    Tau Six (10/22/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …+ Understanding of cybersecurity principles and best practices. + Knowledge of security tools and technologies to protect systems from vulnerabilities. + ... & Windows DFS Shares. + Implement and maintain robust system hardening techniques using security compliance tools such as Evaluate STIG, SCAP, STIG Viewer. +… more
    Leidos (01/07/26)
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  • Expert Systems Administrator

    Leidos (Chantilly, VA)
    …with AWS. + Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience + Security Patching + ... **Description** Leidos is seeking a System Administrator for a 200+ FTE technical development program...in Command Line (Bash) + Must have experience with security accreditation process + Must have experience with the… more
    Leidos (01/15/26)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …AWS. + Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience. + Security Patching + ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...have strong Bash skills + Must have experience with security accreditation process + Must have experience with the… more
    Leidos (01/09/26)
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  • Virtual Server Administrator

    Linchpin Solutions, Inc. (Quantico, VA)
    Virtual Server Administrator quantico, VA (http://maps.google.com/maps?q=quantico+VA+USA+22134) Job Type Full-time Description If you are looking for an exciting ... are currently hiring for a dynamic and experienced Virtual Server Administrator . Clearance:Active DoD Top Secret Clearance Work Schedule:Onsite Daily Role Overview:… more
    Linchpin Solutions, Inc. (12/10/25)
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  • SAP NS2 Senior Cloud Engineer/Systems…

    SAP (Herndon, VA)
    …benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** ... the global market leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US subsidiary of SAP. At… more
    SAP (10/21/25)
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  • F-22 iMIS System Administrator (Level 2),…

    Lockheed Martin (Langley Air Force Base, VA)
    …Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Langley Air Force Base, Virginia office\. As critical members of ... care\. A Day in the Life: As an IMIS Administrator with our F\-22 IMIS team partnering with our...problems utilizing a variety of hardware and software testing tools and techniques in support of F\-22 IMIS operations\.… more
    Lockheed Martin (12/10/25)
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  • SaaS Administrator , Enterprise…

    Evolent (Richmond, VA)
    …the mission. Stay for the culture. **What You'll Be Doing:** The SaaS Administrator is responsible for managing the full lifecycle of SaaS applications across the ... and costs for IT leadership + Collaborate with digital workplace engineering & security teams to establish and document SaaS configuration, security controls,… more
    Evolent (12/20/25)
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